Effect of Clozapine on DNA Methylation in Peripheral Leukocytes from Patients with Treatment-Resistant Schizophrenia
AbstractClozapine is an atypical antipsychotic, that is established as the treatment of choice for treatment-resistant schizophrenia (SCZ). To date, no study investigating comprehensive DNA methylation changes in SCZ patients treated with chronic clozapine has been reported. The purpose of the present study is to reveal the effects of clozapine on DNA methylation in treatment-resistant SCZ. We conducted a genome-wide DNA methylation profiling in peripheral leukocytes (485,764 CpG dinucleotides) from treatment-resistant SCZ patients treated with clozapine (n = 21) in a longitudinal study. Significant changes in DNA methylation were observed at 29,134 sites after one year of treatment with clozapine, and these genes were enriched for “cell substrate adhesion” and “cell matrix adhesion” gene ontology (GO) terms. Furthermore, DNA methylation changes in the CREBBP (CREB binding protein) gene were significantly correlated with the clinical improvements. Our findings provide insights into the action of clozapine in treatment-resistant SCZ. View Full-Text
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Kinoshita, M.; Numata, S.; Tajima, A.; Yamamori, H.; Yasuda, Y.; Fujimoto, M.; Watanabe, S.; Umehara, H.; Shimodera, S.; Nakazawa, T.; Kikuchi, M.; Nakaya, A.; Hashimoto, H.; Imoto, I.; Hashimoto, R.; Ohmori, T. Effect of Clozapine on DNA Methylation in Peripheral Leukocytes from Patients with Treatment-Resistant Schizophrenia. Int. J. Mol. Sci. 2017, 18, 632.
Kinoshita M, Numata S, Tajima A, Yamamori H, Yasuda Y, Fujimoto M, Watanabe S, Umehara H, Shimodera S, Nakazawa T, Kikuchi M, Nakaya A, Hashimoto H, Imoto I, Hashimoto R, Ohmori T. Effect of Clozapine on DNA Methylation in Peripheral Leukocytes from Patients with Treatment-Resistant Schizophrenia. International Journal of Molecular Sciences. 2017; 18(3):632.Chicago/Turabian Style
Kinoshita, Makoto; Numata, Shusuke; Tajima, Atsushi; Yamamori, Hidenaga; Yasuda, Yuka; Fujimoto, Michiko; Watanabe, Shinya; Umehara, Hidehiro; Shimodera, Shinji; Nakazawa, Takanobu; Kikuchi, Masataka; Nakaya, Akihiro; Hashimoto, Hitoshi; Imoto, Issei; Hashimoto, Ryota; Ohmori, Tetsuro. 2017. "Effect of Clozapine on DNA Methylation in Peripheral Leukocytes from Patients with Treatment-Resistant Schizophrenia." Int. J. Mol. Sci. 18, no. 3: 632.
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